RLSA-2026:0667 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Spoofing issue in the Downloads Panel component CVE-2025-14327 firefox: Use-after-free in the JavaScript: GC component CVE-2026-0885 firefox: thunderbird: Memor...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Spoofing issue in the Downloads Panel component CVE-2025-14327 firefox: Use-after-free in the JavaScript: GC component CVE-2026-0885 firefox: thunderbird: Memor...

ALSA-2026:0694 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Spoofing issue in the Downloads Panel component CVE-2025-14327 firefox: Use-after-free in the JavaScript: GC component CVE-2026-0885 firefox: thunderbird: Memor...

Mozilla Thunderbird < 147.0

The version of Thunderbird installed on the remote Windows host is prior to 147.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-04 advisory. - Memory safety bugs present in Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory...

CVE-2026-0877

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7...

UBUNTU-CVE-2026-0877

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7...

CVE-2026-0877

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7...

CVE-2026-0877 Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7...

CVE-2026-0877

A mitigation bypass vulnerability exists in the DOM: Security component of several Mozilla products. This flaw allows an attacker to remotely circumvent existing security restrictions due to a weakness in data protection mechanisms. The issue affects Mozilla Firefox (versions prior to 147), Firef...

CVE-2026-0877 Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7...

CVE-2026-0877

Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7...

CVE-2026-0877

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7...

PT-2026-2639

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 147 Firefox ESR versions prior to 115.32 Firefox ESR versions prior to 140.7 Description A mitigation bypass exists in the DOM Security component of Firefox. This issue could allow bypassing security mitigations...

Mozilla -- multiple vulnerabilities

Incorrect boundary conditions in the Graphics component. Use-after-free in the IPC component. Sandbox escape due to integer overflow in the Graphics component. Sandbox escape due to incorrect boundary conditions in the Graphics component. Mitigation bypass in the DOM: Security component...

OPENSUSE-SU-2026:20002-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Changes in MozillaThunderbird: Mozilla Thunderbird 140.5.0 ESR MFSA 2025-91 bsc1253188: CVE-2025-13012 Race condition in the Graphics component CVE-2025-13016 Incorrect boundary conditions in the JavaScript: WebAssembly component...

PT-2026-21717

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 148 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 Description A mitigation bypass exists in the DOM within the Security component. This issue impacts Firefox...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...